花蕊石主成分碳酸钙含量测定方法  

Determination Method of CaCO_3 in Ophicalcitum

作　　者：常琳[1] 朱传静[1] 康琛[1] 李曼玲[1] 

机构地区：[1]中国中医科学院中药研究所,北京100700

出　　处：《中国实验方剂学杂志》2011年第4期60-61,共2页Chinese Journal of Experimental Traditional Medical Formulae

基　　金：十一五国家科技支撑计划课题(2008BAI55B02)

摘　　要：目的:建立中药花蕊石中碳酸钙含量测定方法。方法:采用EDTA容量法进行含量测定。结果:全国不同来源的花蕊石含量相差较大36.65%～98.88%。平均回收率为98.85%(RSD1.03%,n=5)。结论:该方法操作简单,结果准确,可作为花蕊石中碳酸钙的含量测定方法。Objective：To develop a method for the content determination of CaCO3 in Ophicalcitum.Meth-od： The content of CaCO3in Ophicalcitum was determined by the method of the EDTA-capacity.Result：The content of CaCO3 in Ophicalcitum from the different sources varied from 36.65% to 98.88%,and the average recovery was 98.85%（RSD 1.03%,n = 5）.Conclusion：This method was simple and feasible for the quality control of Ophical-citum.

关 键 词：花蕊石 碳酸钙 含量测定 

分 类 号：R284.1[医药卫生—中药学]